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Mitsubishi FX3U-232-BD User Manual

Mitsubishi FX3U-232-BD
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D-84
FX Series PLC User's Manual - Data Communication Edition
Computer Link
9 Related Data
9.2 Details of Related Devices
9.2.9 Communication format setting [D8120 and D8420]
These devices set the serial communication format.
1. Detailed contents
These devices set the serial communication format. In FX1S, FX1N, FX2N, FX3U, FX1NC, FX2NC and FX3UC
PLCs, the contents set in parameters are transferred to these devices when the power is turned ON.
In FX
0N, FX2(FX) and FX2C PLCs, set the communication format using a sequence program, and then turn
ON the power.
In all PLCs except FX
3U and FX3UC PLCs using communication port ch1, use D8120.
Set the communication format using parameters when using the communication port ch2 in FX
3U and FX3UC
PLCs.
Use D8420 for confirmation.
The tables below show the setting details.
• Contents of D8120
Bit No. Name
Contents
0 (bit = OFF) 1 (bit = ON)
b0 Data length 7-bit 8-bit
b1
b2
Parity
b2, b1
(0, 0): Not provided
(0, 1): Odd
(1, 1): Even
b3 Stop bit 1-bit 2-bit
b4
b5
b6
b7
Baud rate
(bps)
b7, b6, b5, b4 b7, b6, b5, b4
(0, 0, 1, 1): 300 (0, 1, 1, 1): 4800
(0, 1, 0, 0): 600 (1, 0, 0, 0): 9600
(0, 1, 0, 1): 1200 (1, 0, 0, 1): 19200
(0, 1, 1, 0): 2400
b8 Header Not provided Provided (D8124) Initial value: STX (02H)
b9 Terminator Not provided Provided (D8125) Initial value: ETX (03H)
b10
b11
Control line
Com-
puter
link
b11, b10
(0, 0): RS-485/RS-422 interface
(1, 0): RS-232C interface
b12 Not applicable
b13 Sum check Not added Added
b14 Protocol Not used Used
b15
Control
procedure
Format 1 Format 4

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Mitsubishi FX3U-232-BD Specifications

General IconGeneral
BrandMitsubishi
ModelFX3U-232-BD
CategoryController
LanguageEnglish

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